private void detach_RParentProperties(RParentProperty entity)
		{
			this.SendPropertyChanging();
			entity.TGroup = null;
		}
		private void attach_RParentProperties(RParentProperty entity)
		{
			this.SendPropertyChanging();
			entity.TProperty = this;
		}
 partial void UpdateRParentProperty(RParentProperty instance);
 partial void DeleteRParentProperty(RParentProperty instance);
 partial void InsertRParentProperty(RParentProperty instance);